M5Stack.cpp

// Copyright (c) M5Stack. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full
// license information.

#include "M5Stack.h"

M5Stack::M5Stack() : isInited(0) {
}

void M5Stack::begin(bool LCDEnable, bool SDEnable, bool SerialEnable, bool I2CEnable) {
    // Correct init once
    if (isInited == true) {
        return;
    } else {
        isInited = true;
    }

    for (auto gpio : (const uint8_t[]){18, 19, 23}) {
        *(volatile uint32_t*)(GPIO_PIN_MUX_REG[gpio]) |= FUN_DRV_M;
        gpio_pulldown_dis((gpio_num_t)gpio);
        gpio_pullup_en((gpio_num_t)gpio);
    }
    
    // UART
    if (SerialEnable == true) {
        Serial.begin(115200);
        Serial.flush();
        delay(50);
        Serial.println("M5Stack initializing...");
    }

    // TF Card
    if (SDEnable == true) {
        SD.begin(TFCARD_CS_PIN, SPI, 40000000);
    }

    // LCD INIT
    if (LCDEnable == true) {
        Lcd.begin();
    }

    // TONE
    // Speaker.begin();

    // Set wakeup button
    Power.setWakeupButton(BUTTON_A_PIN);

    // I2C init
    if (I2CEnable == true) {
        Wire.begin(21, 22);
    }

    if (SerialEnable == true) {
        Serial.println("OK");
    }

    // if use M5GO button, need set gpio15 OD or PP mode to avoid affecting the
    // wifi signal
    pinMode(15, OUTPUT_OPEN_DRAIN);
}

void M5Stack::update() {
    // Button update
    BtnA.read();
    BtnB.read();
    BtnC.read();

    // Speaker update
    Speaker.update();
}

/**
 * Function has been move to Power class.(for compatibility)
 * This name will be removed in a future release.
 */
void M5Stack::setPowerBoostKeepOn(bool en) {
    M5.Power.setPowerBoostKeepOn(en);
}
/**
 * Function has been move to Power class.(for compatibility)
 * This name will be removed in a future release.
 */
void M5Stack::setWakeupButton(uint8_t button) {
    M5.Power.setWakeupButton(button);
}
/**
 * Function has been move to Power class.(for compatibility)
 * This name will be removed in a future release.
 */
void M5Stack::powerOFF() {
    M5.Power.deepSleep();
}

M5Stack M5;